Man pages for refer
Create Object References
| decr | Decrease Value In Place |
| deref | Dereference Object |
| Extract | Extract or Replace Parts of a Referenced Object |
| getEnv | Extract or Set Reference Environment |
| getIndex | Extract or Set Slice Index |
| getSym | Extract or Set Reference Symbol |
| grapes-equals-grapes | Subtract In Place |
| grapes-plus-equals-grapes | Add In Place |
| grapes-pow-equals-grapes | Power In Place |
| grapes-slash-equals-grapes | Divide In Place |
| grapes-.-times-equals-grapes | Matrix Multiplication In Place |
| grapes-times-equals-grapes | Multiply In Place |
| incr | Increment Value In Place |
| is.nullref | Is Reference Null? |
| is.ref | Is Object a Reference? |
| iter.ref | Convert Reference to Iterable Object |
| match_cond.ref | Check and Evaluate Match Condition |
| Methods | S3 Methods for Automatic Dereferencing |
| modify_by | Modify an Object In Place |
| ref | Create Reference to an Object |
| ref_list | Create A List of References |
| slice | Create a Reference Slice to a Vector |
| sref | Create a Safer Reference to an Object |
| sslice | Create a Safer Reference Slice to a Vector |
